Western equine encephalitis: An infectious disease caused by an arbovirus (Alphavirus - Togaviraidae) and transmitted by infected mosquitoes. The infection primarily attacks that central nervous system and severity can range from asymptomatic to severe complications and even death in rare cases. More detailed information about the symptoms, causes, and treatments of Western equine encephalitis is available below.
See full list of 26 symptoms of Western equine encephalitis
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A form of arboviral encephalitis (which primarily affects horses) endemic to western and central regions of NORTH AMERICA. The causative organism (ENCEPHALOMYELITIS VIRUS, WESTERN EQUINE) may be transferred to humans via the bite of mosquitoes (CULEX tarsalis and others). Clinical manifestations include headache and influenza-like symptoms followed by alterations in mentation, SEIZURES, and COMA. DEATH occurs in a minority of cases. Survivors may recover fully or be left with residual neurologic dysfunction, including PARKINSONISM, POSTENCEPHALITIC. (From Joynt, Clinical Neurology, 1996, Ch26, pp8-9) - (Source - Diseases Database)
Western equine encephalitis is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that Western equine encephalitis, or a subtype of Western equine encephalitis,
affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)
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